iodine
a nonmetallic halogen element occurring at ordinary temperatures as a grayish-black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic. Symbol: I; atomic weight: 126.904; atomic number: 53; specific gravity: (solid) 4.93 at 20°C.
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Origin of iodine
1- Sometimes i·o·din [ahy-uh-din]. /ˈaɪ ə dɪn/.
Words Nearby iodine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use iodine in a sentence
In fact, the iodine was such an effective nucleator that the researchers had a difficult time scrubbing it away from the sides of the chamber for subsequent experiments, which required a completely clean environment.
Cloud-Making Aerosol Could Devastate Polar Sea Ice | Max Kozlov | February 23, 2021 | Quanta MagazineWalnut trees have a small amount of iodine in the nuts and in their sap.
Make your own maple syrup without harming the trees | By Tim MacWelch/Outdoor Life | February 7, 2021 | Popular-ScienceSalt enhanced with iodine is often our primary source of this essential nutrient.
After reconstructing the supply chain that way, he tracked down the country’s salt producers to talk to them about iodine.
One man’s crusade to end a global scourge with better salt | Katie McLean | December 18, 2020 | MIT Technology ReviewIt became a secondary priority because of the push with iodine.
One man’s crusade to end a global scourge with better salt | Katie McLean | December 18, 2020 | MIT Technology Review
The website even sells iodine drops, called “Survival Shield,” at their official store.
Dear Moon Landing Deniers: Sorry I Called You Moon Landing Deniers | Olivia Nuzzi | July 29, 2014 | THE DAILY BEASTThe sun was strangely warm on my wrists, or perhaps they were tingling from the potassium iodine.
They said this phenomenon might have caused the level of iodine to rise before the tap water could reach the purifying plant.
At Chernobyl, iodine fell on the grass, cows ate the grass, and people drank the milk.
Brenner said that distributing iodine in Japan is prudent, but probably unecessary.
This I attribute to the potash being in a little more caustic condition than when recrystallised with iodine.
Of the other substances, iodine is restricted exclusively to sea-plants, but to them it appears to be essential.
Elements of Agricultural Chemistry | Thomas AndersonThe calculation may be made exactly as in the case of the similar constant for iodine (p. 273).
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius StieglitzThe tendency of iodine to form hypoiodous acid, iodates, etc., is not taken into consideration here and involves another relation.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius Stieglitz"Yes, 'tis his left hand he'd be using all the time when I'm not noticing him," said Kate, returning with the iodine.
The Boy Grew Older | Heywood Broun
British Dictionary definitions for iodine
/ (ˈaɪəˌdiːn) /
a bluish-black element of the halogen group that sublimates into a violet irritating gas. Its compounds are used in medicine and photography and in dyes. The radioisotope iodine-131 (radioiodine), with a half-life of 8 days, is used in the diagnosis and treatment of thyroid disease. Symbol: I; atomic no: 53; atomic wt: 126.90447; valency: 1, 3, 5, or 7; relative density: 4.93; melting pt: 113.5°C; boiling pt: 184.35°C
Origin of iodine
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for iodine
[ ī′ə-dīn′ ]
A shiny, grayish-black element of the halogen group. It is corrosive and poisonous and occurs in very small amounts in nature except for seaweed, in which it is abundant. Iodine compounds are used in medicine, antiseptics, and dyes. Atomic number 53; atomic weight 126.9045; melting point 113.5°C; boiling point 184.35°C; specific gravity (solid, at 20°C) 4.93; valence 1, 3, 5, 7. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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